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piston
n. 活塞piston详解释义 piston双解释义 piston n.(名词) 【机】活塞 【音】活塞阀键 【音】直升式活塞 n.(名词) [C]活塞 (in engines,pumps,etc.) a round piece usually of metal that fits inside a cylinder and moves up and down or backwards and forwards inside it Noun United States neoclassical...
发布时间：2026-06-09 浏览量：0